As adjectives the difference between migratory and nomadic

is that migratory is (of birds|etc) that migrate while nomadic is of, or relating to nomads.

H is likely misspelled.

H has no English definition.

As an adjective mild

is gentle and not easily provoked.

As a noun mild

is a relatively low-gravity beer, often with a dark colour; mild ale.

As adjectives the difference between mild and humid

is that mild is gentle and not easily provoked while humid is containing sensible moisture (usually describing air or atmosphere); damp; moist; somewhat wet or watery; as, humid earth; consisting of water or vapor.

As a noun mild

is a relatively low-gravity beer, often with a dark colour; mild ale.

As nouns the difference between microbes and virus

is that microbes is plural of lang=en while virus is venom, as produced by a poisonous animal etc.

As a noun microcontroller

is a microcomputer on a single chip, used to control some device such as an automobile engine or a toy.

As an initialism plc is

(british) public limited company (sometimes partially or fully capitalized as plc'' or ''plc ).

As nouns the difference between microscopes and microscopies

is that microscopes is plural of microscope while microscopies is plural of microscopy.

As a noun microvessel

is (medicine) a very small blood vessel, such as a capillary or arteriole.

As a proper noun ao is

a tribe living primarily in the state of nagaland in india.

As a noun microvessel

is (medicine) a very small blood vessel, such as a capillary or arteriole.

As a conjunction az is

when (as soon as).

As a preposition az is

to, through.

As nouns the difference between midday and midafternoon

is that midday is noon; twelve o'clock during the day while midafternoon is the middle of the afternoon, normally between 2:00pm and 4:00pm.

As a noun middle

is a centre, midpoint.

As an adjective middle

is located in the middle; in between.

As a verb dishevel is

to throw into disorder; upheave.